2

Vasovagal:
It sounds like your blood pressure drops when you bend over or cough... In the normal sense the body is reacting more than what it should. Also you might have to get your blood pressure checked to make sure it is not varying significantly in different positions like laying, sitting or standing. Lastly positional vertigo is a possibility.
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Many causes:
Most commonly at your age, this would be a muscular problem. A strain of the posture muscles of the back. Physical therapy would be the place to start. If you do not improve more test would be needed to find the cause of your pain. Another likely cause from the little information you provided is a problem in the facet joints of the lumbar spine. You may need to see a pain management specialist.
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5

No neck twisting:
Dizziness associated with bending over or twisting the neck suggests decreased blood flow to the brain and/ or compression of blood vessels and stimulation of the vagus nerve. Please do not twist your neck, and be careful when bending over.
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12

Anemia is low blood:
Low red blood cell count and low hemoglobin (hb) are called anemia. If you are anemic your body/brain may not get enough blood causing you to feel faint (dizzy) on sudden standing up. This can be easily verified by getting your blood count (called cbc) checked from a lab. It may be better to go see your docot who can check you to find out the cause of your fainting and check your BP and your CBC an.
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13

Spin or faint?:
A feeling that the room is spinning when moving your head could be vertigo. Feeling faint when you bend over and then straighten up could be positional low blood pressure. See your personal provider for further evaluation.
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14

Dehydration:
This could be dehydration. If dizziness starts after you resume from bending position, it could be low fluids in your body. One way to check if you are dehydrated is to see if you are making clear urine a few times a day. If not, you are dehydrated. If your blood pressure drops and pulse goes up, it could be pots (postural orthostatic tachycardia syndrome).
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17

Orthostatic:
Orthostatic hypotension is a drop in blood pressure that occurs when a person stands up. Its due to a nerve defect, which senses a change in blood pressure and adjusts the tone in your blood vessels to keep your blood pressure up. It can be from decreased blood volume from diuretics, vasodilators, excessive bed rest, dehydration, and neurological disease. Got to your doctor.
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19

Hi Healthworrier:
Did you mean to say HealthWARRIOR? Yes, common colds can cause congestion and make you feel dizzy or lightheaded when bending over or laying flat. Have you had BPPV diagnosed before? What makes you sure it's NOT BPPV? Perhaps, your symptoms only came on with this latest Upper respiratory illness? Do you know what to do if it IS BPPV? Right- call the PPVC (Paroxysmal Positional Vigilance Cops)!
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20

What a pain!:
Depending on how long you haven't been feeling well and if you have thick colored mucous, you may be suffering from a sinus infection. If you have pain in your cheeks or forehead areas associated with nasal congestion, it may be a sinus infection, allergies, etc. It may benefit you to seek medical attention if you do not start to feel better. Also, using nasal saline spray every 2 hours or so m.
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21

Several Reasons:
You should get seen by a doctor to get checked. These are several things that could cause this- dehydration, anemia, pregnancy, inherited conditions... You probably need to have a few tests run.
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28

Could be.:
Not as likely in your age. Vertebral artery narrowing can cause dizziness. These vessels can be damaged in neck trauma. If you have had no recent accidents then they are probably ok. These vessels can become narrow when people are 50 or older. If therapy does not work, ask your doctor to check the blood vessels in your head and neck.
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Jaw issue?:
You may be grinding or clenching your jaws at night. Check with your dentist to find out. However the neck ache may be from something else. Have you sustained a recent injury (car accident hitting the chin or spraining the neck)? If the neck problem is getting worse or has lasted more than 2 weeks without improvement, ask you doctor to check your neck.
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